root { 
    display: block;
}

body {
    text-align:center;
}

fieldset {
    width:auto;
    display:inline;
    text-align:left;
    margin: auto;
}

form {
    margin: auto;

}
#hide{    
    color: red;
    opacity: 0;
    transition-property: opacity ;
    transition-delay:  1s;
    transition-duration: 2s;
}
#hide:hover{
    opacity: 100;

    

}
